Transmitting device.



E. E. DAVENPORT. TRANSMITTING DEVICE. APPLIGATION FILED MAY 11, 1909.

Patented Nov. 18, 1913.

2 SHEETS-SHEET 1.

l/l//T/VESSES E. F. DAVENPORT.

TRANSMITTING DEVICE.

AP'PLloATIoN FILED MAY u, 1909.

1,078,664, Patented Nov. 18, 1913.

I I 2 SHBETS-SHEET 2.

a v v83 if jj- S 49 Fig. 3.

, pia srarns rarer EUGENE F. DAVENPORT, 0F MELROSE, MASSACUSETTS, ASSIGNOR TO UNITED SHOE MACHINERY COMPANY, OF PATERSON,

JERSEY.

NEW JERSEKVA CORPORATION OF NEW TRANSMITTING DEVICE.

intensa.

Specification of Letters Patent.

Patented Nov. 18,1913.

- application mea May 11, 1909. serial No. 495,335.

To all 'whom t may concern:

Be it known that I, EUGENE F. DAVEN- ronr, a citizen of thel United States, residing at Melrose, in the county of Middlesex and State of Massachusetts, have invented certain Improvements in Transmitting Devices, of which the following description, in connection with the accompanying drawings, is a specification, like reference characters on the drawings indicating like parts in the several figures.

This invention relates to machines for treating stock and more particularly to that class of such machines in which the stock is operated upon and successively acting instrumentalities while passing through the machine. For example one of the instrumentalities referred to may comprise means for engaging and feeding the stock which is to be operated upon by other instrumentalities.

One object of this invention relates to novel means for controlling the operation of instrumentalities such as those referred to above so that said instrumentalities shall always be setv in motion in a certain order, whereby one cannot be set in motion until certain predetermined others have first been started; and pr-eferably the various instrumentalities will be stopped successively in the reverse order of their starting. In the chosen embodiment of this invention, wherein a skiving machine is shown, the control of the stock treating is edected by a controlling device which, when actuated by the operator, `applies power first to the knife and then to the feeding mechanism; but it should be understood that this particular embodiment of the invention is used for the purpose of illustration only. This feature of the invention, however, is very desirable in a skiving machine since it is necessary that the knife shall be revolving when the stock is presented to it.

Another object of this invent-ion relates to means for varying the effect of one of the operating instrumentalities without varying the effecty of other of said instrumentalities. Here again is a feature of wide application which can be conveniently illustrated as applied to a skiving machine, since in machines of this class it is desirable when operating upon spongy stock or upon stock by a plurality of separatev instrumentalities (shown as a feeding mechanism and a knife) having an irregular outline that the stock shall be fed more slowly while at the same time the knife shall continue its motion at full speed.

These and other features of the invention including certain details of construction and' combinations of parts will be explained in connection with the following description of a machine and will be pointed out more denitely in the claims. Y Referring now to the accompanying drawings zFigure 1 is a side elevation of a skiving machine, Fig. 2 is an end elevation of the upper portion thereof, and Fig. 3 is a vertical sectional view taken on the line `3--3 of Fig. 2, with the abutment and its allied parts shown in full lines and with certain parts including the 'housing and the driving shaft broken away. This figure shows the clutch which connects the driving pulley with the shaft thrown in.

1 indicates the base which supports theV framel 3. in bearings 5 shaft 7 is journaled.

from the pulley 9 through connections to be hereinafter more vided with worm gears 11 and 13 which intermesh with gears 15 and 17 carried by shafts 19 and 21 respectively. The shaft 19 is actuated through a friction clutch 23 inof which the driving lower end is mounted a work feeding disk 25 while the shaft l21 through the medium ofthe bevel gears 27 and 29 drives the hori- `Zontal shaft 31 on the end of which a feed rollt 33 is mounted. An edge guide is indicated at 35. The disk knife 37 to whichvthe stock is fed by disk E25 and roll 33 is carried on the lower endrof a shaft 39 which is mounted in bearings 41 and is actuated by a belt 43 driven from a pulley 45. A grinding device (not shown) is driven from a pulley 47 by` means of a belt 49.

The machine as thus far described is substantially the same as that disclosed in Letters Patent No. 823,586 granted to me on June 19, 1906.

Various parts of the machine shown in the accompanying drawings such as the means for adjusting the knife and the means for adjusting the grinder will not be described hereV because the present invention is not concerned with them. It is clear, however, from the parts thus far described that the machine is provided with a plural- The shaft 7 isdriven 80 fully described and isprodicated by dotted'linesin Fig. 1, and on its" i normally separating `ity of-V instrumentalities for acting upon slidably'mountedin a housing S5 and being stock; first the disk 25 and roll 33 with their held normally` in its'upper and inoperative allied parts acting' in this case to feed the position by means of a lspring 87 yvhich is stock and second the disk knife 37 with its supportedon a projection 89 of the housing. allied parts Vwhich act in this case to skive In Fig. 3 the plate is shown in its lower or the stock. And it should be understood that operative positionr and the spring consethe machine hasb'een chosen as a typical one quently as compressed. The plate` 83 1s because of the presence of these instrumenmoved downwardlyby me-ans ota link 91 talities, since the mechanism which is about a treadle (not shown) or any usual or to be described relates to the control of indesired actuating means; and said treadle strumentalities of which these may be said may be providedif a to be a type, Inorder to control these stock which may cooperate with the spring 87 or treating instrumentalities in the manner def falso the placent it.. Y. For shifting the belt sired a belt shifting device and a friction' 57 and thereby actuating the knife the plate clutch are provided. 8B is provided with, a second cam slot 93 Referring more particularly to Figs. 2 Whichfcoperates With a pin 95' fixed 1n a and 3 the pulley 9 is secured rigidly to. second slide block 97 which carries near one pulleys 47 and l5 which are here shown as end a pair of fingers ,99, said lingers embracintegral, and these three pulleys are revolubly mounted upon the end ofshaft 7. Adj 2bceut the pulley 9 and revolubly mounted upona tubular projection 53 of said pulley is aV pulley 51;r and between the pulleys 9 and 5l an anti-friction Washer 55 is inter.- posed. When the cutting and grinding mechanisms are at rest this pulley 5l carries a. power belt 5,7 (shown in Fig. l), which Vmay be shifted to pulley 9 When desired in order to actuate said cutting and grinding merhanlsms. Any suitable means for connecting these pulleys to theshaft 7 may be employed, and in the present case a friction clutch is shown, saidclutch comprising av plate .5 9 rigidly securedto the shaft 7 by a taper'pinl and a correspondingly shaped face 63 onthe interior of the pulley 45, suitable Vf ricft'ional lmaterial 65 being carried by said plato This plate 59 is provided with a cylindrical projection 67 which extends into a recessformed centrally in the `pulley 45,' aspring 6,9 being inserted between the end of Suid recess andthe Vextension or'hub for the pulley 45 from the :friction material. The result Vof this construction and arrangement is that the belt may' be shiftedfrom pulley 5l to pulley 9 and the knifev 37 thereby actuated Without causing the shaft 7 to rotate, In order that the shaft 7 may he causedqto rotate it is necessary that the'spring .69 be compressed; and the'meansl by which the shifting of the belt and the lcompression of the spring are effected in the order named will now be described. Y

The pulleys. 5,1, 9, 47 and 4.5 are moved to compress the spring 69 and thereby throwY into operation the friction clutch by means of a slide block 7 .l carrying au abutment 73 which .Inay .be adiustedby ineens of a screw 74 to compensate for weer and may be held in adjusted position hymeans of a nut 75, This abutment contacts With a Wooden block 7 7 set rigidly inv the endof pulley 51 and is provided with a pin 79'Whioh extends, into a cani. Slotl in a plate V832v said plate being slide block 97 is actuated.

In order to take up the thrust of the clutch a ball bearing'lOB is provided between the bearing 5 and the plate 59; and in Aorder to provide a reservoir for lubricant the end of shaft 7 upon which the pulleys lare mounted iS made hollow. f

In operation the operator moves the link 91 downwardly againstthe tension ot the Spring 87 to start. the machine. This moves slide plate S3 ,downwardly and throughv the medium .of Slot l first ino-ves the. belt Shifter 97 to shift the power belt from loose pulley 5l to fast pulley 9 and starts 4the knife yvhichis at once driven at full speed. It Will be noted that slot ,93 has two parts, a lower inclined part which ,movesy the bolt Shifter horizontally aIlCl 211,1 upper vertical part which does not aiileot the position of the belt shifter at all. :lilith this construction, assuming that the plate 8.3 is moved doy-vn to its lowest posi?. tion, the first pai-tof such movementwill sulioe to shift the belt and thelatter part of the movement will be Without effect. Turnf ing now to the Slot 81 said Slot is seen to have its parte, reversely arranged, viz-.ff the lotver portionis vertical and the upper port-ion inclined. vWhen', therefore, plate 8,3 is moved downwardly the first erft of its movement has. no effect on the slit e block 7l and hence no eifect on the feeding agencies, As soon, hou/ever, as the plate reaches that point in its downward path which the pin 79 begins to enter the inclined portion of the slot'l the abutment 73 begins to con.- tact with the Wooden block 77 and thereby to compress the spring 69 and gradually Vforce the acting face 63, Of the pulley d5 against the .friction material carried by the vplat-e 59. Since the clutch which con.- nects the ,Shaft tional one the completeness with which the Spoed of tbe pulley is impartedto the Shaft depends upon the closeness of Contact of the members of said clutch;- and by the ineens desired with a springV ing the, belt aud'acting to shift it when theV 7 with the pulley 45 .is a friof 93 acting upon pin 95 herein shown the closeness of this contact may be controlled at will to vary the speed at which the shaft 7, and hence the feeding instrumentalities, are driven, it being obvicus that a continued downward movement of plat-e 83 after pin 79 has passed into the inclined part of cam slot 3l serves to move slide block 7l, and hence pulley d5, into closer and closer Contact with the plate 59 on shaft 7.

ln actual use the operator in starting the machine depresses plate 83 by the means described until pin 95 has moved into the vertical part of slot 93. By this time the knife is being driven at full speed and the feeding instrumentalities are just being started. Thereafter the knife is constantly driven at full speed until the operator releases the treadle, while the rate at which the feeding instrumentalities actis regulated by moving the plate S3 up or down to vary the position of pin Z9 in cam slot 8l and consequentl the closeness of contact of the parts of the friction clutch which connects pulley i5 with shaft 7.

A third cam slot lOl similar to cam slot 93 may be formed in the lower part of plate 83 for use in case it should be desired to mount the belt shifter 97 below pulleys 5l and 9.

The invention having thus been described what is claimed and desired to be secured by Letters Patent is 1. rThe combination with a plurality of instiannentalities for act-lng upon stock of a belt for'actuating one of said instrumentalities and a clutch for actuating the other, of a single manuallyV controlled means for shifting said belt and one'member of said clutch successively and for accomplishing the reverse movement of these elements in he reverse order.

2. The combination with a plurality of instrumentalities for acting upon stock, a shaft 4for driving one of said instrumentalities,

and a pulley for driving another of said instrumentalities, of a single means for applying power to said pulley and shaft and for varying the speed of rotation of said shaft.

3. A skiving machine having in combination a knife, feeding mechanism and a single means for applying power successively to said knife and feeding mechanism and for varying at will the amount of power applied to said feeding mechanism.

4. A skiving machine having in combination a feed roll acting to feed stock, a knife acting to Vskive stock so fed and a single means for applyin, p wer to the knife and roll successively.

5. A skiving machine having in combination a feed roll acting to feed stock, a knife acting to skive stock so fed, and a single means for applying power to the knife, for applying power to the roll, and for varying the rate at which the roll feeds the stock.

G. A skiving machine having in combination a knife, a feed roll, and a single manually operated means for applying power first to the knife and then to the roll and for withdrawing power from said knife and roll in the reverse order.

7. A machine of the class described having a cutter, feed mechanism and a source of power, in combination with an actuating member movable in a given path and provided with means arranged to act in sequence for applying power to the cutter and for progressively applying power to the feed mechanism.

8. A machine of the class described having a cutter, feed mechanism and a source of power, in combination with an actuating member manually movable in a given path and provided with means arranged to act in sequence for applying power to the cutter and for progressively applying Apower to the feed mechanism.

9. A machine of the class described having a cutter, feed mechanism and a source of power in combination with an actuating member manually movable in a given path and provided with cams having. reversely arranged operating faces to adapt them to act successively, and means for connecting said cams respectively with said cutter and with said feed mechanism.

10. A machine of the class described having a cutting instrumentality, a feeding instrumentality and a source of power in combination with a shaft for driving one of said instrumentalities and a pulley for driving the other, said pulley and shaft being provided with clutch faces and a single means for successively applying power to one of said members and for moving the clutch faces into engagement.

11. A machine of the class described having a knife, a feed roll and a source of power in combination with a shaft for driving said roll, a pulley slidably mounted thereon for driving said knife, said pulley and shaft being provided. with interengaging clutch faces, and a single means for successively applying power to said pulley and for moving said pulley along said shaft.

ln testimony whereof l have signed my name to this specification V1n the presence'of two subscribing witnesses.

EUGENE l?. BAVENPORT.

Witnesses:

FRED Vil. G'Uioni), FREDERICK L. EnMoNDs.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

